2022-06-16 13:29:10

by Zheng Bin

[permalink] [raw]
Subject: [PATCH -next] usb: gadget: aspeed_udc: fix missing spin_unlock_irqrestore in ast_udc_ep_queue

ast_udc_ep_queue misses spin_unlock_irqrestore in an error path,
this patch fixes that.

Fixes: 055276c13205 ("usb: gadget: add Aspeed ast2600 udc driver")
Signed-off-by: Zheng Bin <[email protected]>
---
drivers/usb/gadget/udc/aspeed_udc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/udc/aspeed_udc.c b/drivers/usb/gadget/udc/aspeed_udc.c
index 1fc15228ff15..6c91f7f288a2 100644
--- a/drivers/usb/gadget/udc/aspeed_udc.c
+++ b/drivers/usb/gadget/udc/aspeed_udc.c
@@ -665,7 +665,8 @@ static int ast_udc_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
if (ep->ep.desc == NULL) {
if ((req->req.dma % 4) != 0) {
dev_warn(dev, "EP0 req dma alignment error\n");
- return -ESHUTDOWN;
+ rc = -ESHUTDOWN;
+ goto end;
}

ast_udc_ep0_queue(ep, req);
--
2.31.1


2022-06-17 03:00:51

by Neal Liu

[permalink] [raw]
Subject: RE: [PATCH -next] usb: gadget: aspeed_udc: fix missing spin_unlock_irqrestore in ast_udc_ep_queue

> ast_udc_ep_queue misses spin_unlock_irqrestore in an error path, this patch
> fixes that.
>
> Fixes: 055276c13205 ("usb: gadget: add Aspeed ast2600 udc driver")
> Signed-off-by: Zheng Bin <[email protected]>
> ---
> drivers/usb/gadget/udc/aspeed_udc.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/usb/gadget/udc/aspeed_udc.c
> b/drivers/usb/gadget/udc/aspeed_udc.c
> index 1fc15228ff15..6c91f7f288a2 100644
> --- a/drivers/usb/gadget/udc/aspeed_udc.c
> +++ b/drivers/usb/gadget/udc/aspeed_udc.c
> @@ -665,7 +665,8 @@ static int ast_udc_ep_queue(struct usb_ep *_ep, struct
> usb_request *_req,
> if (ep->ep.desc == NULL) {
> if ((req->req.dma % 4) != 0) {
> dev_warn(dev, "EP0 req dma alignment error\n");
> - return -ESHUTDOWN;
> + rc = -ESHUTDOWN;
> + goto end;
> }
>
> ast_udc_ep0_queue(ep, req);
> --
> 2.31.1

Thanks for the fix.

Reviewed-by: Neal Liu <[email protected]>